WO2020019182A1 - Appareil et procédé de transmission de signal, dispositif terminal, et dispositif de réseau - Google Patents

Appareil et procédé de transmission de signal, dispositif terminal, et dispositif de réseau Download PDF

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Publication number
WO2020019182A1
WO2020019182A1 PCT/CN2018/096970 CN2018096970W WO2020019182A1 WO 2020019182 A1 WO2020019182 A1 WO 2020019182A1 CN 2018096970 W CN2018096970 W CN 2018096970W WO 2020019182 A1 WO2020019182 A1 WO 2020019182A1
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WIPO (PCT)
Prior art keywords
frequency domain
preamble
configuration information
message
uplink data
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Application number
PCT/CN2018/096970
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English (en)
Chinese (zh)
Inventor
徐伟杰
尤心
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880038020.4A priority Critical patent/CN110771240B/zh
Priority to PCT/CN2018/096970 priority patent/WO2020019182A1/fr
Priority to TW108126438A priority patent/TW202008817A/zh
Publication of WO2020019182A1 publication Critical patent/WO2020019182A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Definitions

  • the embodiments of the present application relate to the field of mobile communication technologies, and in particular, to a signal transmission method and device, a terminal device, and a network device.
  • RACH Random Access Channel
  • LTE Long Term Evolution
  • RACH Random Access Channel
  • LTE Long Term Evolution
  • MSG1 For the first step of the two-step RACH process, MSG1 includes two parts of a preamble and a physical uplink shared channel (PUSCH).
  • the preamble can be used as a PUSCH demodulation reference signal. In some cases, it is not enough to cover the bandwidth of the PUSCH, so that the Preamble cannot be used as a demodulation reference signal for the PUSCH.
  • the embodiments of the present application provide a signal transmission method and device, a terminal device, and a network device, which can improve the bandwidth of the Preamble.
  • the terminal device sends a first message to the network device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first preamble occupies Discontinuous frequency domain resources.
  • the network device receives a first message sent by a terminal device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first preamble Occupies non-contiguous frequency domain resources.
  • a transmission unit configured to send a first message to a network device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first The preamble occupies non-contiguous frequency domain resources.
  • a transmission unit configured to receive a first message sent by a terminal device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first A preamble occupies non-contiguous frequency domain resources.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned signal transmission method.
  • the network device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned signal transmission method.
  • the chip provided in the embodiment of the present application is used to implement the foregoing signal transmission method.
  • the chip includes: a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the foregoing signal transmission method.
  • the computer-readable storage medium provided in the embodiment of the present application is used to store a computer program, and the computer program causes a computer to execute the foregoing signal transmission method.
  • the computer program product provided in the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the foregoing signal transmission method.
  • the computer program provided in the embodiment of the present application when run on a computer, causes the computer to execute the foregoing signal transmission method.
  • the first preamble occupies non-continuous frequency domain resources (such as frequency domain resources using an interlace structure) to expand the frequency domain resource range it occupies, thereby It can be used as a demodulation reference signal for the first uplink data channel (PUSCH).
  • PUSCH non-continuous frequency domain resource structure
  • using a discontinuous frequency domain resource structure can expand the frequency domain range occupied by the first preamble, so that the first uplink data channel (PUSCH) can have enough frequency domain units in this frequency domain range for the first An uplink data channel (PUSCH), thereby more flexibly scheduling the first uplink data channel (PUSCH) in this frequency domain.
  • FIG. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a 4-step RACH process according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a 2-step RACH process according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of information transmitted in a first step in a 2-step RACH process according to an embodiment of the present application
  • FIG. 5 is a first schematic flowchart of a signal transmission method according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of an interlace structure according to an embodiment of the present application.
  • FIG. 7 is a second schematic flowchart of a signal transmission method according to an embodiment of the present application.
  • FIG. 8 is a schematic structural composition diagram of an information transmission device according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System for Mobile
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (also referred to as a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device may be a mobile switching center, relay station, access point, vehicle equipment, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • PLMN public land mobile networks
  • the communication system 100 further includes at least one terminal device 120 located within a coverage area of the network device 110.
  • terminal equipment used herein includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection ; And / or another data connection / network; and / or via a wireless interface, such as for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a “wireless communication terminal”, a “wireless terminal”, or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; personal communications systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communications capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS personal communications systems
  • GPS Global Positioning System
  • a terminal device can refer to an access terminal, user equipment (User Equipment), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Processing (PDA), and wireless communication.
  • terminal devices 120 may perform terminal direct device (D2D) communication.
  • D2D terminal direct device
  • the 5G system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • the device having a communication function in the network / system in the embodiments of the present application may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 having a communication function, and the network device 110 and the terminal device 120 may be specific devices described above, and are not described herein again.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobile management entity, and the like, which is not limited in the embodiments of the present application.
  • the four-step RACH process includes four steps, which are:
  • a first step the terminal device sends a preamble (that is, a preamble sequence) to the base station through MSG1 (Message 1), where the preamble is a randomly selected preamble.
  • a preamble that is, a preamble sequence
  • step 2 after the base station detects that the terminal equipment sends a preamble, it sends a random access response (RAR, Random Access Response) to the terminal equipment through MSG2 (Message 2) to inform the terminal equipment that it is sending MSG3 (Message 3 ) Available uplink resource information, assigning a wireless network temporary identity (RNTI, Radio Network Tempory Identity) to the terminal device, providing the terminal device with a timing advance command (time advance command), etc .;
  • RAR Random Access Response
  • a third step after receiving the random access response, the terminal device sends an MSG3 message in the uplink resource specified by the random access response message, which carries a temporary identification information specific to the terminal device;
  • a fourth step the base station sends a contention resolution message to the terminal device through MSG4 (Message 4), and simultaneously allocates uplink transmission resources for the terminal device.
  • MSG4 Message 4
  • the terminal device receives MSG4 sent by the base station, it will detect whether the specific temporary identification of the terminal device sent by the terminal device on MSG3 is included in the contention resolution message sent by the base station. If it contains, it indicates that the terminal device's random access process is successful, otherwise The random process fails, and the terminal device needs to initiate the random access process again from the first step.
  • the delay cost of the four-step RACH process is relatively large.
  • a two-step RACH process scheme is proposed. Compared with the four-step RACH process, access can be reduced. Delay.
  • the two-step RACH process includes two steps, which are:
  • a first step the terminal device sends a preamble (that is, a preamble sequence) and other information to the base station through MSG1.
  • a preamble that is, a preamble sequence
  • uplink data may also be referred to as uplink data, which is sent through a physical uplink shared channel (PUSCH, Physical Uplink, Shared Channel), such as temporary identification information specific to a terminal device.
  • PUSCH Physical Uplink, Shared Channel
  • step 2 after the base station detects that a terminal device sends a PUSCH, it sends a random access response message and a contention resolution message to the terminal device through MSG2.
  • the terminal device needs to send a preamble and a PUSCH.
  • a cyclic prefix (CP, Cyclic Prefix) is set before the preamble and between the preamble and the PUSCH, and a guard time slot (GT, Guaranteed Time) is set after the PUSCH.
  • CP Cyclic Prefix
  • GT Guard Time slot
  • Preamble can play the role of time-frequency synchronization and channel estimation.
  • the reference signal used for PUSCH demodulation there are two schemes: one is to use the Preamble as the reference signal to demodulate the PUSCH, and the other is to pass (DMRS, Demodulation (Reference, Signal).
  • the advantage of the first solution is to use Preamble as the demodulation reference signal, which can save the resources occupied by DMRS.
  • a physical resource block (PRB, Physical Resource Block) occupied by the PUSCH must have a Preamble signal, that is, the PRB occupied by the Preamble must include the PRB occupied by the PUSCH.
  • PRB Physical Resource Block
  • the Preamble occupies 1048.75kHz.
  • the bandwidth occupied by the Preamble is equivalent to 6, 3, 1.5, 0.75, and 0.375 PRBs of the PUSCH, respectively.
  • the Preamble is to be used as a demodulation reference signal for the PUSCH, it must have sufficient bandwidth to cover the bandwidth of the PUSCH carrying the MSG3, and thus be used as the demodulation reference signal for the PUSCH.
  • This embodiment of the present application can solve the problem that when the preamble and the PUSCH are together in the first step of the two-step RACH process, the bandwidth of the preamble as the demodulation reference signal of the PUSCH is too small.
  • FIG. 5 is a first flowchart of a signal transmission method according to an embodiment of the present application. As shown in FIG. 5, the signal transmission method includes the following steps:
  • Step 501 A terminal device sends a first message to a network device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first The preamble occupies non-contiguous frequency domain resources.
  • the terminal device may be any device capable of communicating with a network device, such as a mobile phone, a tablet computer, a notebook computer, and a vehicle-mounted terminal.
  • a network device such as a mobile phone, a tablet computer, a notebook computer, and a vehicle-mounted terminal.
  • the network device may be a base station, such as a gNB in 5G, an eNB in LTE, and the like.
  • the terminal device sends a first message to the network device.
  • the first message is called MSG1
  • the first message includes at least a first preamble, where the first The preamble is used as a demodulation reference signal for the first uplink data channel, and the first preamble occupies non-continuous frequency domain resources.
  • the terminal device may perform a two-step RACH process (refer to FIG. 3), which is not limited to this, and may also perform a four-step RACH process (refer to FIG. 2).
  • the two-step RACH process is also referred to as a first type
  • the random access process and the four-step RACH process are also referred to as the second type of random access process.
  • the random access procedure in step 501 belongs to the first type of random access procedure
  • the first message further includes the first uplink data channel, and the first uplink data channel includes, for example, a temporary identifier specific to a terminal device. information.
  • the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first preamble occupies a discontinuous frequency domain resource. Further, the frequency occupied by the first preamble is There is a first frequency domain interval between the domain units. Further, the first preamble occupies one or more frequency domain units, and the first frequency domain interval includes one or more frequency domain units. In one example, the granularity of the frequency domain unit is a subcarrier, or a PRB, or a resource block group (RBG), or a subband.
  • RBG resource block group
  • the preamble is transmitted.
  • the preamble uses an interlace structure, as shown in Figure 6, that is, the preamble signal no longer occupies continuous subcarriers. However, there is a certain interval between the occupied subcarriers, and the frequency domain bandwidth occupied by the preamble signal is therefore expanded. In this way, there is enough PRB for the PUSCH in the expanded frequency domain bandwidth, thereby expanding the frequency domain here. More flexible scheduling of PUSCH within range.
  • the terminal device receives first configuration information sent by the network device, wherein the first configuration information includes a first parameter, and the first parameter is used to determine the first preamble occupation A first frequency domain interval between the frequency domain units of. Further, the first configuration information is used to indicate a random access parameter, and the first configuration information is carried in a system message or radio resource control (RRC) signaling.
  • RRC radio resource control
  • you can add the corresponding configuration information for example, add interlace information to the PRACH preamble format, such as 1/2, 1/3, 1/6, etc., which represent the preamble signal every 2, 3 6 subcarriers occupy one subcarrier.
  • the first bandwidth corresponding to the frequency domain resources occupied by the first uplink data channel is within the range of the second bandwidth corresponding to the frequency domain resources occupied by the first preamble.
  • the frequency domain resources occupied by the preamble occupy one subcarrier every 3 subcarriers, and the occupied bandwidth is from subcarrier n1 to subcarrier n2.
  • the PUSCH can occupy a bandwidth in a range from subcarrier n1 to subcarrier n2.
  • an indication information may be added to the first configuration information to indicate the first uplink data channel. Whether the demodulation reference signal is the first preamble or the DMRS.
  • the first configuration information further affects the first The first frequency domain interval between the frequency domain units occupied by a preamble is configured.
  • the first uplink data channel may be a predefined or configured uplink data channel, and is not limited thereto.
  • the first uplink data channel may also be a scheduling-based uplink data channel.
  • FIG. 7 is a second flowchart of a signal transmission method according to an embodiment of the present application. As shown in FIG. 7, the signal transmission method includes the following steps:
  • Step 701 A network device receives a first message sent by a terminal device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first A preamble occupies non-contiguous frequency domain resources.
  • the network device may be a base station, such as a gNB in 5G, an eNB in LTE, and the like.
  • the terminal device may be any device capable of communicating with a network device, such as a mobile phone, a tablet computer, a notebook computer, and a vehicle-mounted terminal.
  • a network device such as a mobile phone, a tablet computer, a notebook computer, and a vehicle-mounted terminal.
  • a network device receives a first message sent by a terminal device.
  • the first message is called MSG1
  • the first message includes at least a first preamble, where the first A preamble is used as a demodulation reference signal for the first uplink data channel, and the first preamble occupies a discontinuous frequency domain resource.
  • the terminal device may perform a two-step RACH process (refer to FIG. 3), which is not limited to this, and may also perform a four-step RACH process (refer to FIG. 2).
  • the two-step RACH process is also referred to as a first type
  • the random access process and the four-step RACH process are also referred to as the second type of random access process.
  • the random access procedure in step 701 belongs to the first type of random access procedure
  • the first message further includes the first uplink data channel, and the first uplink data channel includes, for example, a temporary identifier specific to a terminal device. information.
  • the first preamble is used as a demodulation reference signal for a first uplink data channel, and the first preamble occupies a discontinuous frequency domain resource. Further, the frequency occupied by the first preamble is There is a first frequency domain interval between the domain units. Further, the first preamble occupies one or more frequency domain units, and the first frequency domain interval includes one or more frequency domain units. In one example, the granularity of the frequency domain unit is a subcarrier, or a PRB, or a resource block group (RBG), or a subband.
  • RBG resource block group
  • the preamble is transmitted.
  • the preamble uses an interlace structure, as shown in Figure 6, that is, the preamble signal no longer occupies continuous subcarriers. However, there is a certain interval between the occupied subcarriers, and the frequency domain bandwidth occupied by the preamble signal is therefore expanded. In this way, there is enough PRB for the PUSCH in the expanded frequency domain bandwidth, thereby expanding the frequency domain here. More flexible scheduling of PUSCH within range.
  • the network device sends first configuration information to the terminal device, wherein the first configuration information includes a first parameter, and the first parameter is used to determine a value occupied by the first preamble.
  • the first configuration information is used to indicate a random access parameter, and the first configuration information is carried in a system message or radio resource control (RRC) signaling.
  • RRC radio resource control
  • you can add the corresponding configuration information for example, add interlace information to the PRACH preamble format, such as 1/2, 1/3, 1/6, etc., which represent the preamble signal every 2, 3 6 subcarriers occupy one subcarrier.
  • the first bandwidth corresponding to the frequency domain resources occupied by the first uplink data channel is within the range of the second bandwidth corresponding to the frequency domain resources occupied by the first preamble.
  • the frequency domain resources occupied by the preamble occupy one subcarrier every 3 subcarriers, and the occupied bandwidth is from subcarrier n1 to subcarrier n2.
  • the PUSCH can occupy a bandwidth in a range from subcarrier n1 to subcarrier n2.
  • an indication information may be added to the first configuration information to indicate the first uplink data channel. Whether the demodulation reference signal is the first preamble or the DMRS.
  • the first configuration information further affects the first The first frequency domain interval between the frequency domain units occupied by a preamble is configured.
  • the first uplink data channel may be a predefined or configured uplink data channel, and is not limited thereto.
  • the first uplink data channel may also be a scheduling-based uplink data channel.
  • FIG. 8 is a schematic structural composition diagram of a signal transmission device according to an embodiment of the present application. The structure and functions of the information transmission device according to the embodiment of the present application are described below with reference to two scenarios.
  • the device includes:
  • the transmission unit 801 is configured to send a first message to a network device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal of a first uplink data channel, and the first A preamble occupies non-contiguous frequency domain resources.
  • the first preamble occupying a discontinuous frequency domain resource includes:
  • the transmission unit 801 is further configured to receive first configuration information sent by the network device, where the first configuration information includes a first parameter, and the first parameter is used to determine the A first frequency domain interval between frequency domain units occupied by the first preamble.
  • the first configuration information is used to indicate a random access parameter, and the first configuration information is carried in a system message or RRC signaling.
  • the first preamble occupies one or more frequency domain units, and the first frequency domain interval includes one or more frequency domain units.
  • the granularity of the frequency domain unit is a subcarrier, or a PRB, or an RBG, or a subband.
  • the first message further includes the first uplink data channel.
  • the first bandwidth corresponding to the frequency domain resources occupied by the first uplink data channel is within a range of the second bandwidth corresponding to the frequency domain resources occupied by the first preamble.
  • the device includes:
  • a transmission unit 801 configured to receive a first message sent by a terminal device, where the first message includes at least a first preamble, where the first preamble is used as a demodulation reference signal of a first uplink data channel, and The first preamble occupies non-contiguous frequency domain resources.
  • the first preamble occupying a discontinuous frequency domain resource includes:
  • the transmission unit 801 is further configured to send first configuration information to the terminal device, where the first configuration information includes a first parameter, and the first parameter is used to determine the first A first frequency domain interval between frequency domain units occupied by a preamble.
  • the first configuration information is used to indicate a random access parameter, and the first configuration information is carried in a system message or RRC signaling.
  • the first preamble occupies one or more frequency domain units, and the first frequency domain interval includes one or more frequency domain units.
  • the granularity of the frequency domain unit is a subcarrier, or a PRB, or an RBG, or a subband.
  • the first message further includes the first uplink data channel.
  • the first bandwidth corresponding to the frequency domain resources occupied by the first uplink data channel is within a range of the second bandwidth corresponding to the frequency domain resources occupied by the first preamble.
  • FIG. 9 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 600 shown in FIG. 9 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be the network device in the embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method in the embodiment of the present application. .
  • the communication device 600 may specifically be a mobile terminal / terminal device according to the embodiment of the present application, and the communication device 600 may implement a corresponding process implemented by the mobile terminal / terminal device in each method of the embodiment of the present application, for simplicity , Will not repeat them here.
  • FIG. 10 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 10 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 may control the input interface 730 to communicate with other devices or chips. Specifically, the processor 710 may obtain information or data sent by the other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 may control the output interface 740 to communicate with other devices or chips. Specifically, the processor 710 may output information or data to the other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application. For simplicity, here No longer.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • FIG. 11 is a schematic block diagram of a communication system 900 according to an embodiment of the present application.
  • the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 may be used to implement the corresponding functions implemented by the terminal device in the foregoing method
  • the network device 920 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
  • details are not described herein again. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field, Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application. For simplicity, here No longer.
  • the computer-readable storage medium may be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program causes the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • the computer program causes the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • An embodiment of the present application further provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instruction causes the computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
  • the computer program product can be applied to a mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application, For brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • the computer program may be applied to a mobile terminal / terminal device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer executes each method in the embodiment of the application by the mobile terminal / terminal device. The corresponding processes are not repeated here for brevity.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes .

Abstract

La présente invention concerne un appareil et un procédé de transmission de signal, un dispositif terminal, et un dispositif de réseau. Le procédé comprend les étapes suivantes : le dispositif terminal envoie un premier message au dispositif de réseau, le premier message comprenant au moins un premier préambule, le premier préambule étant utilisé comme un signal de référence de démodulation d'un premier canal de données de liaison montante, et le premier préambule occupant des ressources de domaine de fréquence discontinues.
PCT/CN2018/096970 2018-07-25 2018-07-25 Appareil et procédé de transmission de signal, dispositif terminal, et dispositif de réseau WO2020019182A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880038020.4A CN110771240B (zh) 2018-07-25 2018-07-25 一种信号传输方法及装置、终端设备、网络设备
PCT/CN2018/096970 WO2020019182A1 (fr) 2018-07-25 2018-07-25 Appareil et procédé de transmission de signal, dispositif terminal, et dispositif de réseau
TW108126438A TW202008817A (zh) 2018-07-25 2019-07-25 一種訊號傳輸方法及適用該方法的裝置、終端設備及網路設備

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PCT/CN2018/096970 WO2020019182A1 (fr) 2018-07-25 2018-07-25 Appareil et procédé de transmission de signal, dispositif terminal, et dispositif de réseau

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